United States Office of Educational Research and Improvement Educational Resources Information Center (U.S.) 16 Johns Hopkins University Center for Research on Elementary and Middle Schools 8 Science and Technology Policy Institute (Rand Corporation) 8 United States National Educational Research Policy and Priorities Board 8 ACCESS ERIC (Project) 7 Snow, Catherine E 7 Michigan State University Institute for Research on Teaching 6 National Institute on Early Childhood Development and Education (U.S.) 6 Educational Technology Center (Cambridge, Mass.) 5 Frank Porter Graham Child Development Center 5 National Institute of Education (U.S.) 5 Slavin, Robert E 5 Timpane, P. Michael, 1934- 5 United States Department of Education 5 Madden, Nancy A 4 National Center for Education Statistics 4 National Center for Research to Improve Postsecondary Teaching and Learning 4 National Institute on Student Achievement, Curriculum, and Assessment (U.S.) 4 National Library of Education (U.S.) 4 National Reading Research Center (U.S.) 4 RAND Reading Study Group 4 United States Office of Educational Research and Improvement. Library Programs 4 United States Office of Libraries and Learning Technologies 4 University of California, Los Angeles Center for the Study of Evaluation 4 Ahearn, Charles 3 ERIC Clearinghouse on Information Resources 3 Fox, Jim 3 Goals 2000 Arts Education Partnership (U.S.) 3 Nalley, Donna 3 انظر الكل ...